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Under roof peel and stick tile underlayment

a peel and stick technology, applied in the field of roof coverings, can solve the problems of liquid based adhesives not always providing good bond strength and long-term durability, adhesives that dry out too quickly, and affect the quality of bonding, so as to achieve easy and hassle-free field application

Inactive Publication Date: 2006-11-02
BUILDING MATERIALS INVESTMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] This invention relates generally to bituminous roofing adapted for the waterproofing and sealing of substrate structures and to the method of manufacturing such materials. More particularly, the present invention is in the field of roofing membranes and shingles, having a factory-applied self-adhesive layer on the bottom surface and a thermoplastic modifier such as atactic polypropylene modified bituminous compound on the top surface in order to provide easy and hassle-free field application by roofing personnel.

Problems solved by technology

These liquid based adhesives do not always provide good bond strength and long-term durability.
For example, if conditions during application are windy, dust or other debris may adhere to the adhesive and impair the quality of the bond.
High temperatures may cause the adhesive to dry out too quickly.
These environmental problems may complicate installation procedures.
These solvents pose a health and fire hazard, and their use is undesirable.
However, these asphalt adhesives require special equipment and can pose a fire risk.
These processes may be extremely time consuming, hazardous or provide an inferior seam.

Method used

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Examples

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Embodiment Construction

[0012] As used herein, the term “selvage edge” generally refers to an edge designed for certain sheet good materials, e.g., mineral-surfaced sheets. With mineral surfaced sheets, the surfacing is omitted over a portion of the longitudinal edge of the sheet (e.g., mineral surface cap sheet) in order to obtain better adhesion of the overlapping sheet.

[0013]FIG. 1 is a schematic representation of the layers of the non-asphaltic membrane in accordance with one embodiment of the present invention. In FIG. 1, underlayment sheet 10 includes substrate 12 having a deck side 12a, which is the lower surface of substrate 12 that is applied on a roof substrate (not shown), and a weather side 12b on the opposite side of membrane 12, and which is the upper surface of substrate 12 that is exposed to the environment when deck side 12a of membrane 12 is applied to a roof substrate. An adhesive layer 14 is coated on deck side 12a of membrane 12. Adhesive layer 14 is preferably a self-stick compound. ...

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Abstract

An under roof peel-and-stick tile underlayment, having a core or substrate having an upper and lower surface. On the lower surface of the substrate, an adhesive compound is layered and then covered with a release liner. On the selvage edge of the upper surface of the substrate, an adhesive coating is layered and then covered with a top release liner. After the underlayment is adhered to a roof surface, ceramic tiles, such as Spanish-style tiles are adhered on the upper surface.

Description

RELATED APPLICATIONS [0001] This application claims the benefit of U.S. Provisional Application No. 60 / 675,780, filed Apr. 28, 2005, the entire content of which is incorporated by reference herein in its entirety.FIELD OF THE INVENTION [0002] The present invention relates to roofing membranes. More specifically, the present invention relates to an under roof peel-and-stick tile underlayment which provides a water-tight layer thereon on a roof surface and which prevents slippage by a roofer working on the roof surface. BACKGROUND OF THE INVENTION [0003] Roofing underlayment is generally an asphalt-saturated felt or other sheet material (may be self-adhering) installed between the roof deck and the roof covering, usually used in a steep-slope roof construction. Underlayment is primarily used to separate the roof covering from the roof deck, to shed water and to provide secondary weather protection for the roof area of the building. Oftentimes, shingles or tiles are then applied upon t...

Claims

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Application Information

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IPC IPC(8): B32B37/00
CPCB32B11/06Y10T428/1476B32B25/16B32B27/00B32B27/10B32B27/304B32B27/32B32B27/322B32B29/06B32B2255/10B32B2255/12B32B2255/26B32B2255/28B32B2307/552B32B2307/554B32B2307/5825B32B2307/712B32B2307/7265B32B2405/00B32B2419/00B32B2419/04E04D12/002B32B25/06
Inventor KUBIAK, MIRACHICH, ADEM
Owner BUILDING MATERIALS INVESTMENT
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